I mean the print fails due to no sdcard, even though it has one. I’m not removing the card at all with the printer turned on.
So to fix I turn off the printer, take the sdcard out, reinsert it, power printer back on and cross my fingers.
I might get 1 print fine, I might get 10, it might give me the exact same issue again straight away, it might corrupt the sdcard completely making it impossible to reformat.